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Page 2
Age Groups
Variable
Group 1 (21–30 years, n = 37)
Group 2 (31–40 years, n = 40)
Group 3 (41–50 years, n = 40)
Group 4 (51–60 years, n = 39)
Sex (% female)
48.6
50.0
50.0
47.7
Age (years)
25.4 ± 3.1
35.1 ± 2.9
45.1 ± 2.9
55.4 ± 3.1
Height (cm)
172.2 ± 10.1
169.3 ± 8.4
170.9 ± 8.8
171.4 ± 9.6
Leg Length (cm)
80.4 ± 6.6
78.9 ± 5
80.6 ± 5.2
81 ± 5.3
Weight (kg)
70.8 ± 13.6
74.9 ± 14.3
76.7 ± 14.7
76.5 ± 13.4
BMI
23.7 ± 2.6
26 ± 3.7
26.2 ± 4.3
26 ± 3.6
BMI Classification (%)
Normal
73
43
45
46
Overweight
27
48
38
41
Obese
0
10
18
13
Race/ethnicity (%)
White
70.3
52.5
80
89.7
African-American
2.7
2.5
5
0
Hispanic
2.7
7.5
2.5
2.6
Asian
13.5
27.5
2.5
0
American Indian
0
2.5
0
0
Other
2.7
2.5
5
2.6
Unknown/No response
5.4
2.5
2.5
2.6
More than one
2.7
2.5
2.5
2.6
Values are means ± standard deviation or percentages. BMI Body Mass Index (kg/m2). BMI classifications: Normal or healthy weight (18.5–24.9 kg/m2), overweight (25.0–29.9 kg/m2), obese (≥ 30 kg/m2) [27]